Lesson 7. Transformations can be expressed declaratively or imperatively.

经验7 .可以用说明式的或命令式的方式表示转换。

Describes how to implement permission objects declarative ly and imperatively.

描述如何以声明和命令的方式实现权限对象。

The time schedule set down in the order is imperatively binding on the supplier.

定单中所列进度表对供应商具有当然的约束力。

Some calls can be performed only imperatively , while others can be performed only declaratively.

有些调用只能强制性地执行，而有些调用只能以声明方式执行。

Describes how to implement security checks declaratively, imperatively, or by directly accessing a principal object.

描述如何宣告式地、命令式地或直接地存取主体物件来实作安全性检查。